﻿Public Class MainWinFrom
    Private Sub redBtn_Click(sender As Object, e As EventArgs) Handles redBtn.Click
        TextBox1.BackColor = Color.Red






    End Sub

    Private Sub blueBtn_Click(sender As Object, e As EventArgs) Handles blueBtn.Click
        TextBox1.BackColor = Color.Blue

    End Sub

    Private Sub greenBtn_Click(sender As Object, e As EventArgs) Handles greenBtn.Click
        TextBox1.BackColor = Color.Green

    End Sub
End Class
